They extend beneath Poland's mountainous Walbrzych District.

而这些隧道延伸到了波兰的山区瓦乌布日赫区。

It left Wroclaw, Poland, bound for Walbrzych, through a series of tunnels built to secretly move Nazi goods.

它离开波兰的弗罗茨瓦夫, 通过一系列纳粹秘密建造用于转移货物的隧道开往瓦乌布日赫。